Computing Devices

Computing Devices

1. Desktop Computer

   • Monitor
     • They are output devices that are used to display tasks being worked on by the user
     • They can be normal or wide or wide screen in shape
   • Keyboard
     • They are used to input characters while typing or entering commands
     • There may not be a separate number keypad
   • Main Case
     • Will contain components such as the motherboard, hard disk and power.
     • It will also contain the number card and other components
   • DVD Drive
     • DVD drive is used to read DVD's such as DVD-RCM's, DVD- R's and DVD- RW's,
     • a DVD drive is a storage device
   • Mouse
     • Is an input device and is used to move the on-screen pointing device to wherever the user wants to on the screen, mouse buttons are used to select options or to choose from a menu
     • They may be a scrolling 'button' to assist with navigating around documents

2. Portable Computing Devices

   • Laptop Computer
     • A laptop computer has integrated screen, keyboard and pointing device. it has a wireless connection which allows the user to access to the internet and email.
   • Netbook
     • They are smaller than laptops and often has a lower specification
     • They do not usually have optical drives, so can be made smaller and lighter
   • Tablet Computer
     • They are portable devices and usually have a pointing device or a physical keyboard.
     • touch screen allows user to move pointer or use an on-screen keyboard to carry out tasks. it can be used to access email, instant messaging, live web
   • Smart Phone
     • Combines a voice telephone, a personal digital assistant, a web browser and a calendar. And they have the ability to run 'apps' to carry out tasks